/Engine/Plugins/Online/OnlineSubsystem/Source/Public/OnlineSubsystemTypes.h
Possible connection states
namespace EOnlineServerConnectionStatus { enum Type { Normal = 0, NotConnected, Connected, ConnectionDropped, NoNetworkConnection, ServiceUnavailable, UpdateRequired, ServersTooBusy, DuplicateLoginDetected, InvalidUser, NotAuthorized, InvalidSession, } }